Free Chlorine Water Test Strips

Free chlorine is the active sanitiser in mains water and pools, and the level tells you it's doing its job. Dip a strip, match the colour and know where you stand.

• Results in 60 seconds
• Proven colour-match chemistry
• Free delivery on orders over £30
• UK-based support

Tests free chlorine, plus 19 additional analytes on the same strip.